feature: implement cleanup of left over resources after Shard CR gets deleted #125
Description
Feature Description
Deleting the Shard CR doesn't clean up resources and pods spam error logs trying to reach the old Shards.
Frontproxy pod logs
E1202 11:39:04.063858 1 reflector.go:200] "Failed to watch" err="failed to list *v1alpha1.LogicalCluster: Get \"https://alpha-shard-kcp.kcp-config.svc.cluster.local:6443/clusters/%2A/apis/core.kcp.io/v1alpha1/logicalclusters?limit=500&resourceVersion=0\": dial tcp: lookup alpha-shard-kcp.kcp-config.svc.cluster.local on 172.30.0.10:53: no such host" logger="UnhandledError" reflector="k8s.io/client-go@v0.0.0-20251113163256-f038ec6bf609/tools/cache/reflector.go:285" type="*v1alpha1.LogicalCluster"
E1202 11:39:09.432653 1 reflector.go:200] "Failed to watch" err="failed to list *v1alpha1.WorkspaceAuthenticationConfiguration: Get \"https://alpha-shard-kcp.kcp-config.svc.cluster.local:6443/clusters/%2A/apis/tenancy.kcp.io/v1alpha1/workspaceauthenticationconfigurations?limit=500&resourceVersion=0\": dial tcp: lookup alpha-shard-kcp.kcp-config.svc.cluster.local on 172.30.0.10:53: no such host" logger="UnhandledError" reflector="k8s.io/client-go@v0.0.0-20251113163256-f038ec6bf609/tools/cache/reflector.go:285" type="*v1alpha1.WorkspaceAuthenticationConfiguration"
E1202 11:39:11.486325 1 reflector.go:200] "Failed to watch" err="failed to list *v1alpha1.Workspace: Get \"https://alpha-shard-kcp.kcp-config.svc.cluster.local:6443/clusters/%2A/apis/tenancy.kcp.io/v1alpha1/workspaces?limit=500&resourceVersion=0\": dial tcp: lookup alpha-shard-kcp.kcp-config.svc.cluster.local on 172.30.0.10:53: no such host" logger="UnhandledError" reflector="k8s.io/client-go@v0.0.0-20251113163256-f038ec6bf609/tools/cache/reflector.go:285" type="*v1alpha1.Workspac
and the same log spam is also in root proxy pods
Proposed Solution
Cleanup of all resources which were created at the time of setting up Shard by the operator.
Alternative Solutions
Manual deletion of shards
Using Crossplane to cleanup shards from kcp when shard CR gets deleted
Want to contribute?
- I would like to work on this issue.
Additional Context
No response